"We want to be extremely careful and certain that it will work well before putting a device into a human but we've submitted I think most of our paperwork to the FDA and probably in about six months we should be able to upload Neuralink in a human," Musk said during a much-awaited public update on the device.

(Reporting by Rachael Levy in Washington, D.C.; Editing by Muralikumar Anantharaman)